Sending a GET or HEAD request with a body crashes SvelteKit (GHSA-g5m6-hxpp-fc49)

Description

In SvelteKit 2 sending a GET request with a body eg {} to a SvelteKit app in preview or with adapter-node throws Request with GET/HEAD method cannot have body. and crashes the app.

TRACE requests will also cause the app to crash. Prerendered pages and SvelteKit 1 apps are not affected.

<!–

Recommendation

Update the @sveltejs/adapter-node package to the latest compatible version. Followings are version details:

• Affected version(s): **= 4.0.0

  >= 3.0.0, < 3.0.3

  >= 2.0.0, < 2.1.2**

• Patched version(s): **4.0.1

  3.0.3

  2.1.2**

References

• GHSA-g5m6-hxpp-fc49
• CVE-2024-23641
• CWE-20
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Sending a GET or HEAD request with a body crashes SvelteKit - CVE-2024-23641
• SvelteKit is vulnerable to denial of service and possible SSRF when using prerendering (GHSA-j62c-4x62-9r35) - CVE-2025-67647
• parse-server crashes when receiving file download request with invalid byte range - CVE-2022-39313
• Undici's Proxy-Authorization header not cleared on cross-origin redirect for dispatch, request, stream, pipeline - CVE-2024-30260

Tags:

npm

@sveltejs/adapter-node